x86/fpu, crypto x86/camellia_aesni_avx: Simplify the camellia_aesni_init() xfeature...

[karo-tx-linux.git] / arch / x86 / crypto / camellia_aesni_avx_glue.c

diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c
index 78818a1e73e3f62b0e7be68123fcef148e978f77..80a0e4389c9ad3f5e6e1f6d8bc5292e391801ff2 100644 (file)
--- a/arch/x86/crypto/camellia_aesni_avx_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx_glue.c
@@ -19,8 +19,7 @@
 #include <crypto/ctr.h>
 #include <crypto/lrw.h>
 #include <crypto/xts.h>
-#include <asm/xcr.h>
-#include <asm/xsave.h>
+#include <asm/fpu/api.h>
 #include <asm/crypto/camellia.h>
 #include <asm/crypto/glue_helper.h>
 
@@ -553,16 +552,10 @@ static struct crypto_alg cmll_algs[10] = { {
 
 static int __init camellia_aesni_init(void)
 {
-       u64 xcr0;
+       const char *feature_name;
 
-       if (!cpu_has_avx || !cpu_has_aes || !cpu_has_osxsave) {
-               pr_info("AVX or AES-NI instructions are not detected.\n");
-               return -ENODEV;
-       }
-
-       xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK);
-       if ((xcr0 & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM)) {
-               pr_info("AVX detected but unusable.\n");
+       if (!cpu_has_xfeatures(XSTATE_SSE | XSTATE_YMM, &feature_name)) {
+               pr_info("CPU feature '%s' is not supported.\n", feature_name);
                return -ENODEV;
        }